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In this episode of Crash Course Psychology, Hank takes a look at WAIS and WISC intelligence tests and how bias can really skew both results and the usefulness of those results. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych! --Chapters:Introduction 00:00WAIS & WISC Tests 1:09Standardized Tests 2:08Reliability & Validity 3:46Twin & Adoption Studies - Genetics of Intelligence 4:40Environmental Influences on Intelligence 6:55Testing Bias 8:05Stereotype Threat 8:57Review & Credits 10:16--Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourseWant to find Crash Course elsewhere on the internet?Facebook - http://www.facebook.com/YouTubeCrashCourseTwitter - http://www.twitter.com/TheCrashCourseInstagram - https://www.instagram.com/thecrashcourse/CC Kids: http://www.youtube.com/crashcoursekids
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